 /*web background*/
            .container{
                display:table;
                height:100%;
            }

            .row{
                display: table-cell;
                vertical-align: middle;
            }
            /* centered columns styles */
            .row-centered {
                text-align:center;
            }
            .col-centered {
                display:inline-block;
                float:none;
                text-align:left;
                margin-right:-4px;
            }